Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Double-row
  • Sealed 2RS
>

Bearing No. 5209 2RS

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)85
B(mm)30.2
r(min.)(mm)1.1
Basic load ratings : Cr(kN)52.1
Basic load ratings : C0r(kN)33.9
Fatigue load limit : Cu(kN)1.75
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6100
Load center spread : a(mm)42.2

Mounting dimensions

da(min.)(mm)52
da(max.)(mm)55.3
Da(max.)(mm)78
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.620
JTEKT

2025/05/15